Home / 279,936,000.40-419,904,000.60-250,458,739.60

Finding the Fourth Proportional to 279,936,000.40, 419,904,000.60 and 250,458,739.60

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Solution

The fourth proportional to 279,936,000.40, 419,904,000.60 and 250,458,739.60 is: 375,688,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,000.40 : 419,904,000.60 = 250,458,739.60 : x
  2. Step 2: Convert to fraction form
    279,936,000.40/419,904,000.60 = 250,458,739.60/x
  3. Step 3: Cross multiply
    279,936,000.40x = 419,904,000.60 × 250,458,739.60
  4. Step 4: Simplify right side
    279,936,000.40x = 105,168,626,743,273,648
  5. Step 5: Solve for x
    x = 105,168,626,743,273,648/279,936,000.40
  6. Step 6: Final answer
    x = 375,688,109.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.